Ningbo Shien Mechanical&Electronical Co.,Ltd is a professional tubular motors manufacturer since 2000. Various types of shien motor are designed for roller shutters and windows, awnings,garage doors,projection screens,sunshades,venetian blinds as a driving force device. And we also supply the relative remote control system and accessories. All of our products have small size,low noise in operation and easy to install. Nowadays, many of our products do OEM export-oriented and have got CE,CCC approval. The ISO9001 quality management system is fully implemented in daily production. Five years quality assurance is our promise